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Installation [02/2024 - ]: Procedure

  1. INSTALL WIRE HARNESS CLAMP BRACKET 

    Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

  2. INSTALL WIRE HARNESS CLAMP BRACKET 

    Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

  3. INSTALL NO. 6 ENGINE ROOM WIRE 
    WARNING:

    Wear insulated gloves.

    Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

  4. TEMPORARILY INSTALL HYBRID MOTOR CONTROL INVERTER ASSEMBLY 
    1. GTY1225790Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL HYBRID INVERTER PROTECTOR ASSEMBLY 
    1. GTY1225791Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 9.0 N*m (92 kgf*cm, 80 in.*lbf) 

  6. INSTALL HYBRID MOTOR CONTROL INVERTER ASSEMBLY 
    WARNING:

    Wear insulated gloves.
    1. GTY1223697Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the hybrid motor control inverter assembly with the 3 nuts.

        Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf) 

        NOTE:
        • Since the hybrid motor control inverter assembly is very heavy, 2 people are needed to install the hybrid motor control inverter assembly. When installing the hybrid motor control inverter assembly, do not damage the parts around it.
        • To prevent damage, do not hold the hybrid motor control inverter assembly by the connectors.
        • To prevent damage due to static electricity, do not touch the terminals of the disconnected connectors.
        • Do not hold the pipe when installing the inverter.
  7. CONNECT NO. 6 ENGINE ROOM WIRE 
    WARNING:

    Wear insulated gloves.

    Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

  8. CONNECT NO. 2 INVERTER COOLING HOSE ASSEMBLY 
    1. GTY1226345Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2.5 mm (0.098 in.) or less - -
      1. Connect the No. 2 inverter cooling hose assembly to the hybrid motor control inverter assembly and lock the hose with the retainer as shown in the illustration.
        NOTE:
        • Push in the retainer until a click sound is heard.
        • Pull on the pipe to confirm that the pipe is securely connected.
        • To prevent foreign matter from entering the cooling system, do not remove the pieces of cloth or plastic bags from the pipe and disconnected hose until installation.
  9. CONNECT NO. 1 INVERTER COOLING HOSE ASSEMBLY 
    1. GTY1221992Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2.5 mm (0.098 in.) or less - -
      1. Connect the No. 1 inverter cooling hose assembly to the hybrid motor control inverter assembly and lock the hose with the retainer as shown in the illustration.
        NOTE:
        • Push in the retainer until a click sound is heard.
        • Pull on the pipe to confirm that the pipe is securely connected.
        • To prevent foreign matter from entering the cooling system, do not remove the pieces of cloth or plastic bags from the pipe and disconnected hose until installation.
  10. INSTALL MOTOR CABLE BRACKET 

    Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

  11. CONNECT ENGINE ROOM MAIN WIRE 
    WARNING:

    Wear insulated gloves.
    1. GTY1220295Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Connect the engine room main wire to the hybrid motor control inverter assembly and lock the connector with the lock lever as shown in the illustration.
      2. Connect the connector.
      3. Install the bolt.

        Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

    2. GTY1223141Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

  12. CONNECT FLOOR UNDER WIRE 
    WARNING:

    Wear insulated gloves.
    1. GTY1223084Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Temporarily install the floor under wire to the hybrid motor control inverter assembly with the 4 bolts.
        NOTE:
        • Do not allow any foreign matter or water to enter the hybrid motor control inverter assembly.
        • Do not touch the connector waterproofing rubber or terminals.
        • Do not damage the terminals, connector housings or hybrid motor control inverter assembly when connecting them.
      2. Using an insulated tool, tighten the 2 bolts (A).

        Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

      3. Using an insulated tool, tighten the 2 bolts (B).

        Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

  13. CONNECT MOTOR CABLE 
    WARNING:

    Wear insulated gloves.
    1. GTY1224138Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Temporarily install the motor cable to the hybrid motor control inverter assembly with the 5 bolts.
        NOTE:
        • Do not allow any foreign matter or water to enter the hybrid motor control inverter assembly.
        • Do not touch the connector waterproofing rubber or terminals.
        • Do not damage the terminals, connector housings or hybrid motor control inverter assembly when connecting them.
      2. Using an insulated tool, tighten the 2 bolts (A).

        Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

      3. Using an insulated tool, tighten the 3 bolts (B).

        Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

      4. Engage the clamp.
  14. INSTALL RELAY BLOCK COVER 
  15. INSTALL INVERTER TERMINAL COVER 
    WARNING:

    Wear insulated gloves.

    NOTE:
    • Visually confirm that the inverter terminal cover waterproofing rubber is securely installed before installing the inverter terminal cover.
    • Do not touch the inverter terminal cover waterproofing rubber.

    Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

  16. INSTALL UPPER INVERTER COVER SUB-ASSEMBLY 
    WARNING:

    Wear insulated gloves.

    NOTE:
    • Visually confirm that the upper inverter cover sub-assembly waterproofing rubber is securely installed before installing the upper inverter cover sub-assembly.
    • Do not touch the upper inverter cover sub-assembly waterproofing rubber.
    • Make sure that the interlock is fully engaged.

    Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

  17. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY 

    Refer to INSTALLATION [02/2024 - ]

  18. INSTALL SERVICE PLUG GRIP 

    Refer to INSTALLATION [02/2024 - ]

  19. ADD COOLANT (for Inverter) 
  20. INSPECT FOR COOLANT LEAK (for Inverter) 

    See step  1

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